349966 has 8 divisors (see below), whose sum is σ = 527904. Its totient is φ = 174000.

The previous prime is 349963. The next prime is 349967. The reversal of 349966 is 669943.

349966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (65988).

2³⁴⁹⁹⁶⁶ is an apocalyptic number.

349966 is a deficient number, since it is larger than the sum of its proper divisors (177938).

349966 is a wasteful number, since it uses less digits than its factorization.

349966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its digits is 34992, while the sum is 37.

The square root of 349966 is about 591.5792423674. The cubic root of 349966 is about 70.4707052643.

It can be divided in two parts, 34 and 9966, that added together give a 4-th power (10000 = 10⁴).

The spelling of 349966 in words is "three hundred forty-nine thousand, nine hundred sixty-six".